1903: Naval Cadet
1904: Midhsipman
15 July 1907: Acting Sub-Lieutenant
9 April 1908: Sub-Lieutenant
20 July 1909: Lieutenant
15 july 1916: Lieutenant Commander
1917: Acting Captain
30 June 1921: Commander
30 June 1927: Captain
10 Januay 1939: Rear Admiral
7 February 1940: Acting Vice Admiral
1941: Acting Admiral
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